Attention:
The need of the system has to be announced in cruise planning document "Einsatzplanung" prior to the cruise.
The mounting of USBL antenna is executed by ships crew, the operation of the system must be executed by experienced scientific staff.
GAPS underwater communication is conducted by using various frequencies, interferences with simultaneously operating Echo Sounders are possible.
Attention: Submarine cable must be connected and device must be submerged in water before activating GAPS.